halogen的意思
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发布时间：2024-07-02 12:27
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时间：2024-07-23 02:09
halogen
英 [ˈhælədʒən] 美 [ˈhælədʒən]
n. 卤素
牛津词典
noun
卤素any of a set of five chemical elements, including fluorine , chlorine and iodine , that react with hydrogen to form acids from which simple salts can be made. Halogens , in the form of gas, are used in lamps and cookers/stoves.
